• October 20, 1976:
Willie Crawford,
John Curtis and
Vic Harris were traded by the Cardinals to the
San Francisco Giants for
Mike Caldwell,
Dave Rader and
John D'Acquisto. • November 6, 1976:
Bill Greif,
Ángel Torres and
Sam Mejías were traded by the Cardinals to the
Montreal Expos for
Pat Scanlon,
Steve Dunning, and
Tony Scott. • November 6, 1976:
Lee Richard was released by the Cardinals. • November 21, 1977:
Luis DeLeón was signed as an amateur free agent by the Cardinals. • December 6, 1976:
Roger Freed was selected by the Cardinals from the
Montreal Expos in the
rule 5 draft. • January 11, 1977:
Jesse Orosco was drafted by the Cardinals in the 7th round of the
1977 Major League Baseball draft, but did not sign. He would later pitch for the club in
2000. • February 28, 1977: Mark Covert (minors) was traded by the Cardinals to the
Chicago Cubs for
Buddy Schultz. • March 24, 1977:
Tom Walker was released by the Cardinals. • March 28, 1977:
Bill Caudill was traded by the Cardinals to the
Cincinnati Reds for
Joel Youngblood. • March 30, 1977:
Doug Clarey was traded by the Cardinals to the
New York Mets for
Benny Ayala. • March 31, 1977:
Ken Rudolph was purchased from the Cardinals by the
San Francisco Giants. == Regular season ==